868 resultados para 1526
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Copia digital: Biblioteca Valenciana, 2011
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Contiene además: Eiusdem Alfonsi Zamorensis Vocabularium breue omnium fere primitiuorum hebraicorum ; $tEiusdem Alfonsi Zamorensis Breuis tractatus de orthographia hebraica ; $tEpistola ad Hebraeos
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Copia digital: Biblioteca Valenciana, 2011
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Tít. en antep. : "Epistolas de Sant Hieronimo"
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Inscripción en la parte inferior: "EL ORIGINAL DE ESTA IMAGEN de S. VICENTE FERRER que se venera en su Celda del R.al Conv.to de Pred.es de la Ciu.d de Valencia, pintada sobre las tablas en q dormia el Santo; fe desprendiò, consolò, y abraçò, a S. Luis Bertran à ocasion de averse puesto à sus pies afligido por verse elegido Prior de aquel Convento; Como consta en el Proceso de la Canoniçacion del dicho S. Luís"
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Long-lasting insecticide-treated nets (LLITNs) constitute a novel alternative that combines physical and chemical tactics to prevent insect access and the spread of insect-transmitted plant viruses in protected enclosures. This approach is based on a slow-release insecticide-treated net with large hole sizes that allow improved ventilation of greenhouses. The efficacy of a wide range of LLITNs was tested under laboratory conditions against Myzus persicae, Aphis gossypii and Bemisia tabaci. Two nets were selected for field tests under a high insect infestation pressure in the presence of plants infected with Cucumber mosaic virus and Cucurbit aphid-borne yellows virus. The efficacy of Aphidius colemani, a parasitoid commonly used for biological control of aphids, was studied in parallel field experiments.
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El pie de imp. consta en colofón
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Relatório de estágio apresentado para a obtenção do grau de mestre em Ensino do 1º e do 2º ciclo do ensino básico
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Este trabalho investigativo teve como objeto a avaliação institucional e auto-avaliação enquanto instrumentos inseridos no Sistema Nacional de Avaliação do Ensino Superior e concebidos no âmbito das Políticas Públicas de Avaliação consolidadas no Brasil na década 90. O objetivo central foi de identificar os sentidos que a avaliação institucional e a auto-avaliação têm para os professores do Centro Universitário Senac de São Paulo. A hipótese, construída durante a investigação é que o docente não estabelece relações diretas e imediatas entre seu trabalho cotidiano na escola e nos estágios e s processos de avaliação institucional e auto-avaliação do qual participa. O estudo situa-se num contexto do ensino superior no Brasil em que a temática da avaliação adquiriu relevância e centralidade. Contexto de mudança no sistema capitalista, de revisão do papel do Estado, de difusão do neoliberalismo e de busca de maior controle e regulação do Sistema de ensino Superior. A metodologia escolhidos para colher os dados foram: a entrevista reflexiva realizada de forma aberta e semi-estruturada; fontes documentais e históricas da instituição; fontes bibliográficas; observações feitas na instituição. O trabalho de campo foi realizado junto ao Curso de Hotelaria, do Centro Universitário Senac/SP, instituição particular de ensino superior. Os resultados apontaram para um professor que não estabelece relações diretas e imediatas entre seu trabalho cotidiano e os processos de avaliação institucional nem as relações desta com a auto-avaliação da qual participa. Isto não significa que haja uma visão ingênua do mesmo da ação avaliativa institucional. Observou-se que o nível de participação dos professores nestes processos é muito mais na execução do que na concepção dos mesmos não sendo o processo de avaliação institucional acompanhado de um aprimoramento dos canais participativos para a vida acadêmica
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A heterofunctional support for enzyme immobilization may be defined as that which possesses several distinct functionalities on its surface able to interact with a protein. We will focus on those supports in which a final covalent attachment between the enzyme and the support is achieved. Heterofunctionality sometimes has been featured in very old immobilization techniques, even though in many instances it has been overlooked, giving rise to some misunderstandings. In this respect, glutaraldehyde-activated supports are the oldest multifunctional supports. Their matrix has primary amino groups, the hydrophobic glutaraldehyde chain, and can covalently react with the primary amino groups of the enzyme. Thus, immobilization may start (first event of the immobilization) via different causes and may involve different positions of the enzyme surface depending on the activation degree and immobilization conditions. Other “classical” heterofunctional supports are epoxy commercial supports consisting of reactive covalent epoxy groups on a hydrophobic matrix. Immobilization is performed at high ionic strength to permit protein adsorption, so that covalent attachment may take place at a later stage. Starting from these old immobilization techniques, tailor-made heterofunctional supports have been designed to permit a stricter control of the enzyme immobilization process. The requirement is to find conditions where the main covalent reactive moieties may have very low reactivity toward the enzyme. In this Review we will discuss the suitable properties of the groups able to give the covalent attachment (intending a multipoint covalent attachment), and the groups able to produce the first enzyme adsorption on the support. Prospects, limitations, and likely pathways for the evolution (e.g., coupling of site-directed mutagenesis and thiol heterofunctional supports of enzyme immobilization on heterofunctional supports) will be discussed in this Review.
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Reforestation projects in semiarid lands often yield poor results. Water scarcity, poor soil fertility, and structure strongly limit the survival and growth of planted seedlings in these areas. At two experimental semiarid sites, we evaluated a variety of low-cost planting techniques in order to increase water availability to plants. Treatments included various combinations of traditional planting holes; water-harvesting microcatchments; stone or plastic mulches; small waterproof sheets to increase water harvesting; dry wells; buried clay pots; and deep irrigation. Some of these treatments were also combined with addition of composted biosolids. Waterproof sheets significantly enhanced water harvesting (43%) and soil moisture in the planting hole (40%), especially for low-intensity rainfall events. Treatment effects on the survival and growth of Olea europaea seedlings varied between experimental sites. At the most water-limited site, clay pots, and dry wells improved seedling survival, while no treatment enhanced seedling growth. At the least water-stressed site, the application of composted sludge significantly improved seedling growth. We conclude that nutrient-mediated stress is subordinate to water stress in arid and semiarid environments, and we suggest modifications on the microsite scale to address these limiting conditions in Mediterranean drylands.
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taṣnīf-i Nawwāb Sayyid Ghulām Ḥusayn Khān Ṭabāṭabāʼī ; bi-ihtimām-i ʻAbd al-Majīd.
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taʼlīf Abī ʻAbd Allāh Muḥammad ibn Ibrāhīm al-Luʼluʼī al-maʻrūf bi-al-Zarkashī.
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Relatório de estágio apresentado para a obtenção do grau de mestre em Ensino do 1º e do 2º ciclo do ensino básico
